Popular questions

The TPS controls the fuel supply in all modes. Changing the mode will not bypass the TPS as this is the car's method of regulating the amount of fuel being injected into the motor based upon the position of your...

The electronic key allows you to unlock your trunk without actually using a key. If the electronic key is on your person (for example, in your pocket or your purse), then you can unlock the trunk by pressing the unlock...

It sounds like you have excessive crankcase pressure as though the PCV valve was clogged ("throws oil out the oil filler tube"). Check the PCV valve and other crankcase ventilation hoses (to the throttle body and air intake). The excess...

Hi Bill. Thanks for contacting us today. Typically if you turn the key and the starter will engage, the starting issue is caused by fuel or ignition timing problems. Some of the possible sources include a fuel pump or fuel...

It sounds like your serpentine belt is broken. You can inspect the belt under the hood in front one the motor. If the belt is OK you may have a bad power steering pump. I recommend having a technician come...

You didn't say whether your truck is manual or automatic, but I'm going to assume it's a manual. Most likely, the problem is with the clutch or clutch hydraulics. A qualified technician, like one from YourMechanic, will be able to...

Hey there, thanks for writing in about your 2004 Jaguar XJ8. If you are getting a noise in the vehicle only between certain speeds, then you may have a transmission needle bearing or something like that in the transmission that...

All your exterior are controlled by the lighting control module and if you have problems with only one light then your will need to have the lighting module scanned for problems to see if it needs wire repair or a...

Hello. Unfortunately this is a common issue on your car. It is typically always a head gasket problem. The head gaskets had a design flaw that would cause them to fail and allow coolant to enter the engine and you...

The vehicle idling in park with no A/C does not really require much need for the idle air control valve. Once the vehicle is put in drive, this will put a load on the engine as the A/C will require...

Hi there, thanks for writing in about your 2001 Mercedes Benz ML430. This problem could be caused by a slipping belt or a faulty belt tensioner. The power steering pulley needs to be observed while the car is parked and...

If your window has fallen, the problem is likely with the window regulator or track. A qualified technician, such as one from YourMechanic, can removed the door panel to diagnose and repair your window problem.

Hi There, There should not be any connection between your tires being low and the horn honking intermittently. The cause of the horn honking randomly is likely related to a short in the electrical system. The horn switch in the...

You can use the wireless remote control system to sound your vehicle’s panic alarm. To sound the alarm, simply press and hold the alarm button on the wireless remote when you are within range of the vehicle. The alarm will...

Start by checking power to the relay. If there is no power to the relay this would suggest you have either a bad wiring problem to the relay or potentially a bad ECU driver that supplies the power to the...

These could be two separate issues, but they could also be related. The brake booster uses engine vacuum to provide braking assist. So, if you are having engine performance problems, you might also have a lack of braking assist. This...

Billing question sent to CS for the cost of aftermarket parts to repair the front end after a crash.

Do you have ANY aftermarket electrical equipment in the car? Such components can impact the function of the PCM. Also, check the alternator output and stability. If the power supply to the PCM is not within specification, that could damage...

The door seal is known to hit the trim panel on door closure. This can cause high effort to close the door. The fix is to remove the door seal and adjust the panel fold inward and reinstall the door...

Hi. An illuminated dashboard charging light is almost a sure sign that the alternator needs to be replaced. If the light is not on and you suspect a problem with the alternator, there are a few ways to test it....

You may have a vacuum leak or a sensor failure that will require the computer scanned for stored codes so the problem can be isolated.

How many miles are on your car? High mileage cars can have worn out ignition components causing a weak spark at startup or weak motor mounts might make vibrations more noticeable, I would recommend a mechanic from YourMechanic look into...

A rattling sound from under the car could be a loose heat shield. But then again, it could be many other things. I suggest having a certified technician, such as one from YouMechanic, inspect your vehicle firsthand.

If you have replaced all of those components and you're still getting issues then the problem should be in the fuse box with the body control module fuse located in it (on the driver side) or there is an open...